粤北白水寨石英脉型钨矿床地质特征及找矿前景

发布时间：2018-05-13 15:09

本文选题：钨矿 + 石英脉型　；参考：《大地构造与成矿学》2017年04期

【摘要】：英德白水寨钨矿床位于粤北钨多金属成矿带雪山嶂矿田内,是近年来新发现的石英脉型钨矿床,初步探明储量已达中型规模。矿区浅部发育白钨矿线脉-细网脉密集带,往深部演化成黑钨矿细脉带,并在钙质地层发育地段形成了白钨矿体。与典型的石英脉型钨矿相比,该矿床具有浅部线细网-细脉带钨矿物"上白钨矿下黑钨矿"、发育细网脉与矽卡岩共存的白钨矿(化)体、矿石矿物组合中出现大量黄铁矿的特征,但总体属于石英脉型钨矿床,深部含矿岩浆热液是成矿的重要条件。详细的野外勘探资料显示,该矿床已具有"五层楼"成矿规律的雏形,物探成果指示深部岩体埋深0.5~1.2 km,而地表-浅部矿化带处于"五层楼"模式的细网脉标志带-细脉带的空间位置,矿区深部勘查脉带型钨矿有很大空间。
[Abstract]:The Bishuizhai tungsten deposit in Yingde, located in Xueshanzhang ore field of the tungsten polymetallic metallogenic belt in northern Guangdong, is a newly discovered quartz vein tungsten deposit in recent years. Scheelite line vein and fine net vein dense zone developed in the shallow part of the mining area, and evolved into wolframite fine vein zone in the deep part, and the scheelite body was formed in the calcareous stratigraphic development area. Compared with the typical quartz vein type tungsten deposit, the deposit has a shallow-line fine network-vein belt tungsten ore "upper scheelite and lower wolframite", and develops a Scheelite orebody with fine net veins and skarn coexisting. There are a lot of pyrite in ore mineral assemblage, but they belong to quartz vein type tungsten deposit in general, and deep ore-bearing magmatic hydrothermal solution is an important condition for mineralization. Detailed field exploration data show that the deposit has the rudiments of "five-story" metallogenic law. The results of geophysical exploration indicate that the buried depth of the deep rock mass is 0.5 ~ 1.2 km, while the surface to shallow mineralization zone is located in the space position of the "five-story" pattern of fine net vein marker belt and thin vein zone, and there is a large space for the deep exploration vein type tungsten deposit in the mining area.
【作者单位】：广东省有色地质勘查院;
【基金】：广东省地质勘查基金([2015]-17) 广东省“特支计划”科技创新领军人才项目(2015TX01Z219)联合资助
【分类号】：P618.67

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